Cannot scan. Printer(hardware) part is identified is working fine. butscanner part is identified in konsole but xsane gives an error message"Failed to open device 'epkowa:usb:004:002':Device Busy"

In console" sudo sane-find-scanner -v[sudo] password for swami:This is sane-find-scanner from sane-backends 1.0.25git

# sane-find-scanner will now attempt to detect your scanner. If the# result is different from what you expected, first make sure your# scanner is powered up and properly connected to your computer.

searching for SCSI scanners:checking /dev/scanner... failed to open (Invalid argument)checking /dev/sg0... failed to open (Invalid argument)checking /dev/sg1... failed to open (Invalid argument)checking /dev/sg2... failed to open (Invalid argument)checking /dev/sg3... failed to open (Invalid argument)checking /dev/sg4... failed to open (Invalid argument)checking /dev/sg5... failed to open (Invalid argument)checking /dev/sg6... failed to open (Invalid argument)checking /dev/sg7... failed to open (Invalid argument)checking /dev/sg8... failed to open (Invalid argument)checking /dev/sg9... failed to open (Invalid argument)checking /dev/sga... failed to open (Invalid argument)checking /dev/sgb... failed to open (Invalid argument)checking /dev/sgc... failed to open (Invalid argument)checking /dev/sgd... failed to open (Invalid argument)checking /dev/sge... failed to open (Invalid argument)checking /dev/sgf... failed to open (Invalid argument)checking /dev/sgg... failed to open (Invalid argument)checking /dev/sgh... failed to open (Invalid argument)checking /dev/sgi... failed to open (Invalid argument)checking /dev/sgj... failed to open (Invalid argument)checking /dev/sgk... failed to open (Invalid argument)checking /dev/sgl... failed to open (Invalid argument)checking /dev/sgm... failed to open (Invalid argument)checking /dev/sgn... failed to open (Invalid argument)checking /dev/sgo... failed to open (Invalid argument)checking /dev/sgp... failed to open (Invalid argument)checking /dev/sgq... failed to open (Invalid argument)checking /dev/sgr... failed to open (Invalid argument)checking /dev/sgs... failed to open (Invalid argument)checking /dev/sgt... failed to open (Invalid argument)checking /dev/sgu... failed to open (Invalid argument)checking /dev/sgv... failed to open (Invalid argument)checking /dev/sgw... failed to open (Invalid argument)checking /dev/sgx... failed to open (Invalid argument)checking /dev/sgy... failed to open (Invalid argument)checking /dev/sgz... failed to open (Invalid argument)# No SCSI scanners found. If you expected something different, make surethat# you have loaded a kernel SCSI driver for your SCSI adapter.

searching for USB scanners:checking /dev/usb/scanner... failed to open (Invalid argument)checking /dev/usb/scanner0... failed to open (Invalid argument)checking /dev/usb/scanner1... failed to open (Invalid argument)checking /dev/usb/scanner2... failed to open (Invalid argument)checking /dev/usb/scanner3... failed to open (Invalid argument)checking /dev/usb/scanner4... failed to open (Invalid argument)checking /dev/usb/scanner5... failed to open (Invalid argument)checking /dev/usb/scanner5... failed to open (Invalid argument)checking /dev/usb/scanner7... failed to open (Invalid argument)checking /dev/usb/scanner8... failed to open (Invalid argument)checking /dev/usb/scanner9... failed to open (Invalid argument)checking /dev/usb/scanner10... failed to open (Invalid argument)checking /dev/usb/scanner11... failed to open (Invalid argument)checking /dev/usb/scanner12... failed to open (Invalid argument)checking /dev/usb/scanner13... failed to open (Invalid argument)checking /dev/usb/scanner14... failed to open (Invalid argument)checking /dev/usb/scanner15... failed to open (Invalid argument)checking /dev/usbscanner... failed to open (Invalid argument)checking /dev/usbscanner0... failed to open (Invalid argument)checking /dev/usbscanner1... failed to open (Invalid argument)checking /dev/usbscanner2... failed to open (Invalid argument)checking /dev/usbscanner3... failed to open (Invalid argument)checking /dev/usbscanner4... failed to open (Invalid argument)checking /dev/usbscanner5... failed to open (Invalid argument)checking /dev/usbscanner6... failed to open (Invalid argument)checking /dev/usbscanner7... failed to open (Invalid argument)checking /dev/usbscanner8... failed to open (Invalid argument)checking /dev/usbscanner9... failed to open (Invalid argument)checking /dev/usbscanner10... failed to open (Invalid argument)checking /dev/usbscanner11... failed to open (Invalid argument)checking /dev/usbscanner12... failed to open (Invalid argument)checking /dev/usbscanner13... failed to open (Invalid argument)checking /dev/usbscanner14... failed to open (Invalid argument)checking /dev/usbscanner15... failed to open (Invalid argument)found USB scanner (vendor=0x04b8 [EPSON], product=0x08a1 [EPSON L210Series]) at libusb:004:002# Your USB scanner was (probably) detected. It may or may not besupported by# SANE. Try scanimage -L and read the backend's manpage.

# Not checking for parallel port scanners.

# Most Scanners connected to the parallel port or other proprietary ports# can't be detected by this program.done "